Job Summary: We are looking for a developer with experience in Javascript, NodeJS, REST APIs, and GraphQL to join an innovative team and collaborate on cutting-edge technology projects. Key Highlights: 1. Leading company in digital transformation and at the technological forefront. 2. Creative and digital team focused on innovation and sustainable development. 3. Values of collaboration, innovation, commitment, fun, and trust. We are knowmad mood! We are a leading digital transformation company, continuously evolving and at the forefront of technology. We were founded to drive real change through innovation and sustainable development, with the mission of delivering value to our clients and empowering our talent. Composed of over 3,000 creative, digital, and innovative individuals connected to a shared purpose and capable of building connections with people worldwide. A responsible, flexible team with strong adaptability to our clients’ and the market’s needs—while consistently delivering value, vision, creativity, expertise, professionalism, and passion for technology in every project. Our guiding values—collaboration, innovation, commitment, fun, and trust—define our path toward excellence. **What do we value?** * Minimum **4 years** of experience with: * Javascript and NodeJS * REST and GraphQL APIs * Relational databases: PostgreSQL * Docker **What would your responsibilities be?** * Ability to work collaboratively within a team and closely with other developers. * Adherence to best development practices: testing, documentation, version control. * B2 level English proficiency is highly valued. And with us, you can enjoy: Permanent contract **3 DAYS ON-SITE IN BARCELONA + 2 REMOTE** Internal training and access to certifications. Check our calendar here: https://www.knowmadmood.com/es/talento/formacion Flexible compensation plan (health insurance, transportation allowance, childcare vouchers, meal vouchers) Become a brand ambassador through our referral program Refer your friends and earn a bonus! Events, meetups, tech days, talks… and much more! 26 days of leave (22 vacation days, 2 personal days, and December 24th and 31st as standard holidays) Working hours: 8:30 AM–6:00 PM (flexible), Monday–Thursday; Friday: 8:00 AM–3:00 PM; Summer intensive schedule (July & August): 8:00 AM–3:00 PM *At* ***knowmad mood*** *we are committed to equal opportunities and respect for diversity. We implement our Equality Plan and the principle of non-discrimination across all our recruitment processes.*